INST.No.INE-479-P0
Software version 1.0
-Contents-
1. Introduction···················································1
1.1 Models of infrared multiple-constituents
analyzer detector ···································1
1.2 Models of infrared multiple-constituents
analyzer operator interface/display unit·2
2. Specifications of communications················2
3. Connections ···················································3
3.1 Connections of IRMA series infrared
multiple-constituents analyzer detector
IRMA
········································ 3
3.2 Connection between IRMA
series
and personal computer:
In case of using communication
interface converter K3SC-10··············· 4
3.2.1 In case of using IRMA series
exclusive use cable······························ 4
3.2.2 In case of using a cable that
customer made with a self ····················· 4
3.3 Connections of IRGMEG2
series
infrared multiple-constituents analyzer
operator interface/display unit ··············· 5
3.3.1 Rear terminal board figure of
IRGMEG2
······································ 5
3.3.2 Example of IRGMEG2
connections ·· 5
4. MODBUS protocol-Message ··················6
4.1 Message frame configuration ···················· 6
4.2 Slave address: Detector No. ······················6
4.3 Function code············································ 6
4.4 Data department ········································7
4.4.1 Data configuration·································· 7
4.4.2 Reference No. ········································7
4.5 Error check················································7
4.5.1 Calculation of CRC-16··························· 7
5. MODBUS protocol-Function code·············· 8
5.1 Function code············································ 8
5.2 Function code of an analogue input data ··· 8
5.2.1 Reading of an analogue input data ········· 8
5.2.2 Reference table of an analogue
input data············································· 9
5.3 Function code of an analogue
setting value ······································ 12
5.3.1 Reading of an analogue setting value ··· 12
5.3.2 Writing of an analogue setting value ···· 12
5.3.3 Writing of a plural analogue
setting value ·································· 13
5.3.4 Reference table of an analogue
setting value ······································ 13
5.4 Function code of a digital setting value··· 16
5.4.1 Reading of a digital setting value ········· 16
5.4.2 Writing of a digital setting value ·········· 17
5.4.3 Writing of a plural digital setting value··· 17
5.4.4 Reference table of a digital
setting value ·································· 18
5.5 Communication check between
the master and slave(Loop back test) · 18
6. MODBUS protocol- Data interval
/Answer at the time of abnormality······ 19
6.1 Time interval of data ······························· 19
6.2 Answer at the time of abnormality ·········· 19
6.2.1 In case of no answer····························· 19
6.2.2 Answer of an error message ················· 20
6.2.2-1) Format of an error message ············· 20
6.2.2-2) Error code table ······························· 20
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Symbols in this instruction manual
The symbols shown below are used depending on important degrees for using the thermometer
safely and avoiding unexpected situations.
Important
degree
Symbols
Contents
1
This symbol is attached to a title for the sentence with .
2
For avoiding dangerous accidents (may cause death or serious injury)
like as electrical shock, fires, or troubles/damages of the thermometer.
3
For avoiding injury or in physical damage to the thermometer.
4
Information that we suggest to read carefully.
5
Information that you can use as a reference.
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Contents
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Warning
Warning
R e m a r k s
Reference
Caution
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